What does it cover?
The UN R184 working text addresses liquid hydrogen storage systems (LHSS), specific components and M2, M3, N2 and N3 vehicles using them. System and vehicle safety performance are assessed in three separate parts. Liquid and compressed hydrogen do not share the same storage scope.
Who is it for?
For hydrogen vehicle, storage system and component manufacturers and safety and approval teams.
Which subjects are addressed?
- Liquid hydrogen storage systems
- Specific system components
- Integration in M2/M3/N2/N3 vehicles
Common question
Does R184 have the same scope as compressed hydrogen tanks?
No. Its subject is liquid hydrogen storage. Storage form, components and vehicle application are assessed together.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R184 — UN Regulation No. 184
Working series: 00
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.